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                        MXY整理版Python基础
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            <span><b>1.</b> Python的安装和简介</span>
            
            
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                            <b>1.1.</b>
                        
                        Python的基础知识
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                        Python安装及版本检测
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                            <b>1.3.</b>
                        
                        第一个Python程序
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            <span><b>2.</b> Python的基本语法</span>
            
            
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            <span><b>3.</b> Python的变量及数据类型</span>
            
            
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                            <b>3.1.</b>
                        
                        变量
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                            <b>3.2.</b>
                        
                        数据类型
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                            <b>3.3.</b>
                        
                        数据类型转换
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                            <b>3.4.</b>
                        
                        数据类型转换
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            <span><b>4.</b> Python的流程控制</span>
            
            
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                            <b>4.1.</b>
                        
                        顺序结构和分支结构
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                            <b>4.2.</b>
                        
                        循环结构
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            <span><b>5.</b> 函数及作用域</span>
            
            
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                            <b>5.1.</b>
                        
                        函数
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                            <b>5.2.</b>
                        
                        函数文档
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                            <b>5.3.</b>
                        
                        变量的作用域
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                        内部函数和闭包操作
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                            <b>5.5.</b>
                        
                        lambda表达式
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                            <b>5.6.</b>
                        
                        高阶函数
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            <span><b>6.</b> 内置函数及操作</span>
            
            
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                            <b>6.1.</b>
                        
                        字符串相关
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                            <b>6.2.</b>
                        
                        format格式字符串
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                            <b>6.3.</b>
                        
                        内建函数
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                            <b>6.4.</b>
                        
                        列表
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                            <b>6.5.</b>
                        
                        元组
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                            <b>6.6.</b>
                        
                        字典
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                            <b>6.7.</b>
                        
                        集合
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                            <b>6.8.</b>
                        
                        文件操作
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            <span><b>7.</b> 常用的模块</span>
            
            
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                            <b>7.1.</b>
                        
                        String模块
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                            <b>7.2.</b>
                        
                        math模块
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                            <b>7.3.</b>
                        
                        OS模块
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                            <b>7.4.</b>
                        
                        zipfile模块
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                            <b>7.5.</b>
                        
                        tarfile模块
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                            <b>7.6.</b>
                        
                        shutil模块
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                            <b>7.7.</b>
                        
                        时间相关模块
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        <li class="chapter " data-level="8" >
            
            <span><b>8.</b> 面向对象</span>
            
            
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                            <b>8.1.</b>
                        
                        类和对象-上
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                            <b>8.2.</b>
                        
                        类和对象-下
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                            <b>8.3.</b>
                        
                        魔术方法
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                            <b>8.4.</b>
                        
                        装饰器
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                            <b>8.5.</b>
                        
                        抽象类
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                            <b>8.6.</b>
                        
                        错误和异常处理
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                            <b>8.7.</b>
                        
                        模块和包
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        <li class="chapter " data-level="9" >
            
            <span><b>9.</b> tkinter模块</span>
            
            
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        <li class="chapter " data-level="9.1" data-path="home/9.tkinter模块/tkinter模块.html">
            
                
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                            <b>9.1.</b>
                        
                        tkinter模块
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        <li class="chapter " data-level="10" data-path="home/10.网络编程/1.网络编程.html">
            
                
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                            <b>10.</b>
                        
                        网络编程
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        <li class="chapter " data-level="10.1" data-path="home/10.网络编程/2.TCP编程.html">
            
                
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                            <b>10.1.</b>
                        
                        TCP编程
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        <li class="chapter " data-level="10.2" data-path="home/10.网络编程/3.UDP编程.html">
            
                
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                            <b>10.2.</b>
                        
                        UDP编程
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        <li class="chapter " data-level="11" data-path="home/11.多任务/多任务原理.html">
            
                
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                            <b>11.</b>
                        
                        多任务
                    </a>
            
            
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        <li class="chapter " data-level="11.1" data-path="home/11.多任务/1.多进程实现多任务.html">
            
                
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                            <b>11.1.</b>
                        
                        多进程实现多任务
                    </a>
            
            
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        <li class="chapter active" data-level="11.2" data-path="home/11.多任务/2.多线程实现多任务.html">
            
                
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                            <b>11.2.</b>
                        
                        多线程实现多任务
                    </a>
            
            
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        <li class="chapter " data-level="11.3" data-path="home/11.多任务/3.协程实现多任务.html">
            
                
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                            <b>11.3.</b>
                        
                        协程实现多任务
                    </a>
            
            
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        <li class="chapter " data-level="12" >
            
            <span><b>12.</b> Python实战项目</span>
            
            
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        <li class="chapter " data-level="12.1" data-path="home/12.Python实战项目/1.简易计算器.html">
            
                
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                            <b>12.1.</b>
                        
                        简易计算器
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                            <b>12.2.</b>
                        
                        自动售货机
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                        银行项目
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                        简单的登录注册
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                            <b>12.5.</b>
                        
                        双色球
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                        python垃圾回收机制
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                            <b>12.7.</b>
                        
                        turtle画国旗
                    </a>
            
            
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                        turtle画小猪佩奇
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                        turtle画个表
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                        <h1 id="&#x591A;&#x7EBF;&#x7A0B;&#x5B9E;&#x73B0;&#x591A;&#x4EFB;&#x52A1;">&#x591A;&#x7EBF;&#x7A0B;&#x5B9E;&#x73B0;&#x591A;&#x4EFB;&#x52A1;</h1>
<hr>
<ul>
<li><h2 id="&#x7EBF;&#x7A0B;">&#x7EBF;&#x7A0B;</h2>
<ul>
<li>&#x4E00;&#x4E2A;&#x8FDB;&#x7A0B;&#x7684;&#x5185;&#x90E8;&#x8981;&#x540C;&#x65F6;&#x5E72;&#x5F88;&#x591A;&#x4E8B;&#xFF0C;&#x5C31;&#x9700;&#x8981;&#x540C;&#x65F6;&#x8FD0;&#x884C;&#x591A;&#x4E2A;&#x5B50;&#x4EFB;&#x52A1;&#xFF0C;&#x6211;&#x4EEC;&#x628A;&#x8FDB;&#x7A0B;&#x5185;&#x7684;&#x8FD9;&#x4E9B;&#x5B50;&#x4EFB;&#x52A1;&#x5C31;&#x53EB;&#x505A;&#x7EBF;&#x7A0B;</li>
</ul>
</li>
</ul>
<blockquote>
<p>&#x6A21;&#x5757;
1&#x3001;_thread&#x6A21;&#x5757;         &#x4F4E;&#x7EA7;&#x6A21;&#x5757;
2&#x3001;threading&#x6A21;&#x5757;       &#x9AD8;&#x7EA7;&#x6A21;&#x5757;&#xFF0C;&#x5BF9;_thread&#x8FDB;&#x884C;&#x4E86;&#x5C01;&#x88C5;</p>
</blockquote>
<pre><code class="lang-py"><span class="hljs-comment"># -*- coding:utf-8 -*-</span>

<span class="hljs-keyword">import</span> threading, time

<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">run</span><span class="hljs-params">()</span>:</span>
    print(<span class="hljs-string">&quot;&#x5B50;&#x7EBF;&#x7A0B;%s&#x5F00;&#x59CB;...&quot;</span> % (threading.current_thread().name))
    time.sleep(<span class="hljs-number">2</span>)
    print(<span class="hljs-string">&quot;&#x5B50;&#x7EBF;&#x7A0B;%s&#x7ED3;&#x675F;...&quot;</span> % (threading.current_thread().name))

<span class="hljs-keyword">if</span> __name__ == <span class="hljs-string">&apos;__main__&apos;</span>:
    <span class="hljs-comment"># &#x4EFB;&#x4F55;&#x8FDB;&#x7A0B;&#x9ED8;&#x8BA4;&#x4F1A;&#x542F;&#x52A8;&#x4E00;&#x4E2A;&#x7EBF;&#x7A0B;&#xFF0C;&#x79F0;&#x4E3A;&#x4E3B;&#x7EBF;&#x7A0B;&#xFF0C;&#x4E3B;&#x7EBF;&#x7A0B;&#x53EF;&#x4EE5;&#x542F;&#x52A8;&#x65B0;&#x7684;&#x5B50;&#x7EBF;&#x7A0B;</span>
    print(<span class="hljs-string">&quot;&#x4E3B;&#x7EBF;&#x7A0B;%s&#x542F;&#x52A8;...&quot;</span> % (threading.current_thread().name))
    <span class="hljs-comment"># &#x521B;&#x5EFA;&#x5B50;&#x7EBF;&#x7A0B;                 &#x7EBF;&#x7A0B;&#x540D;&#x79F0;&#x2191;</span>
    t = threading.Thread(target=run, name=<span class="hljs-string">&quot;runthread&quot;</span>)
    t.start()
    <span class="hljs-comment"># &#x8BA9;&#x4E3B;&#x7EBF;&#x7A0B;&#x7B49;&#x5F85;&#x5B50;&#x7EBF;&#x7A0B;&#x7ED3;&#x675F;&#x540E;&#xFF0C;&#x4E3B;&#x7EBF;&#x7A0B;&#x518D;&#x7ED3;&#x675F;</span>
    t.join()

    print(<span class="hljs-string">&quot;&#x4E3B;&#x7EBF;&#x7A0B;%s&#x7ED3;&#x675F;...&quot;</span> % (threading.current_thread().name))
</code></pre>
<hr>
<blockquote>
<p>&#x591A;&#x7EBF;&#x7A0B;&#x548C;&#x591A;&#x8FDB;&#x7A0B;&#x6700;&#x5927;&#x7684;&#x4E0D;&#x540C;&#x5728;&#x4E8E;&#xFF0C;&#x591A;&#x8FDB;&#x7A0B;&#x4E2D;&#xFF0C;&#x540C;&#x4E00;&#x4E2A;&#x53D8;&#x91CF;&#xFF0C;&#x5404;&#x81EA;&#x6709;&#x4E00;&#x4EFD;&#x62F7;&#x8D1D;&#x5B58;&#x5728;&#x6BCF;&#x4E2A;&#x8FDB;&#x7A0B;&#x4E2D;&#xFF0C;&#x4E92;&#x4E0D;&#x5F71;&#x54CD;
&#x591A;&#x7EBF;&#x7A0B;&#x4E2D;&#xFF0C;&#x6240;&#x6709;&#x53D8;&#x91CF;&#x90FD;&#x7531;&#x6240;&#x6709;&#x7EBF;&#x7A0B;&#x5171;&#x4EAB;&#xFF0C;&#x6240;&#x4EE5;&#x4EFB;&#x4F55;&#x4E00;&#x4E2A;&#x53D8;&#x91CF;&#x90FD;&#x53EF;&#x4EE5;&#x88AB;&#x4EFB;&#x610F;&#x4E00;&#x4E2A;&#x7EBF;&#x7A0B;&#x4FEE;&#x6539;&#xFF0C;&#x7EBF;&#x7A0B;&#x4E4B;&#x95F4;&#x5171;&#x4EAB;&#x6570;&#x636E;&#x6700;&#x5927;&#x5371;&#x9669;&#x5728;&#x4E8E;&#x591A;&#x4E2A;&#x7EBF;&#x7A0B;&#x540C;&#x65F6;&#x4FEE;&#x6539;&#x4E00;&#x4E2A;&#x53D8;&#x91CF;&#xFF0C;&#x5BB9;&#x6613;&#x628A;&#x6570;&#x636E;&#x6539;&#x4E71;</p>
</blockquote>
<pre><code class="lang-py">num = <span class="hljs-number">0</span>

<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">run</span><span class="hljs-params">(n)</span>:</span>
    <span class="hljs-keyword">global</span> num
    <span class="hljs-keyword">for</span> i <span class="hljs-keyword">in</span> range(<span class="hljs-number">1000000</span>):
        num = num + n
        num = num - n

<span class="hljs-keyword">if</span> __name__ == <span class="hljs-string">&apos;__main__&apos;</span>:
    t1 = threading.Thread(target=run, args=(<span class="hljs-number">6</span>,))
    t2 = threading.Thread(target=run, args=(<span class="hljs-number">9</span>,))

    t1.start()
    t2.start()

    t1.join()
    t2.join()
    print(<span class="hljs-string">&quot;num =&quot;</span>, num)
</code></pre>
<hr>
<ul>
<li><h2 id="&#x7EBF;&#x7A0B;&#x9501;">&#x7EBF;&#x7A0B;&#x9501;</h2>
</li>
</ul>
<pre><code class="lang-py"><span class="hljs-comment"># -*- coding:utf-8 -*-</span>

<span class="hljs-keyword">import</span> threading

<span class="hljs-comment"># &#x9501;</span>
lock = threading.Lock()

num = <span class="hljs-number">0</span>

<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">run</span><span class="hljs-params">(n)</span>:</span>
    <span class="hljs-keyword">global</span> num
    <span class="hljs-keyword">for</span> i <span class="hljs-keyword">in</span> range(<span class="hljs-number">1000000</span>):
        <span class="hljs-comment"># &#x9501;&#xFF0C;&#x786E;&#x4FDD;&#x8FD9;&#x6BB5;&#x4EE3;&#x7801;&#x53EA;&#x80FD;&#x7531;&#x4E00;&#x4E2A;&#x7EBF;&#x7A0B;&#x4ECE;&#x5934;&#x5230;&#x5C3E;&#x7684;&#x5B8C;&#x6574;&#x6267;&#x884C;</span>

        <span class="hljs-string">&quot;&quot;&quot;
        lock.acquire()
        try:
            num = num + n
            num = num - n
        finally:
            lock.release()
        &quot;&quot;&quot;</span>
        <span class="hljs-keyword">with</span> lock:
            num = num + n
            num = num - n

<span class="hljs-keyword">if</span> __name__ == <span class="hljs-string">&apos;__main__&apos;</span>:
    t1 = threading.Thread(target=run, args=(<span class="hljs-number">6</span>,))
    t2 = threading.Thread(target=run, args=(<span class="hljs-number">9</span>,))

    t1.start()
    t2.start()

    t1.join()
    t2.join()
    print(<span class="hljs-string">&quot;num =&quot;</span>, num)
</code></pre>
<hr>
<ul>
<li><h2 id="&#x7EBF;&#x7A0B;&#x6C60;">&#x7EBF;&#x7A0B;&#x6C60;</h2>
</li>
</ul>
<pre><code class="lang-py"><span class="hljs-comment"># -*- coding:utf-8 -*-</span>

<span class="hljs-keyword">import</span> time
<span class="hljs-keyword">import</span> threadpool

<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">sayhello</span><span class="hljs-params">(str)</span>:</span>
    print(<span class="hljs-string">&quot;Hello &quot;</span>,str)
    <span class="hljs-keyword">if</span> str == <span class="hljs-string">&apos;aa&apos;</span>:
        time.sleep(<span class="hljs-number">8</span>)
    time.sleep(<span class="hljs-number">2</span>)

name_list =[<span class="hljs-string">&apos;xiaozi&apos;</span>,<span class="hljs-string">&apos;aa&apos;</span>,<span class="hljs-string">&apos;bb&apos;</span>,<span class="hljs-string">&apos;cc&apos;</span>]
start_time = time.time()

<span class="hljs-comment"># &#x521D;&#x59CB;&#x5316;&#x7EBF;&#x7A0B;&#x6C60;&#xFF0C; &#x7EBF;&#x7A0B;&#x6C60;&#x5185;&#x90E8;&#x7684;&#x7EBF;&#x7A0B;&#x7684;&#x4E2A;&#x6570;&#x90A3;&#x5C31;&#x662F;10</span>
pool = threadpool.ThreadPool(<span class="hljs-number">8</span>)

<span class="hljs-comment"># makeRquests&#x7684;&#x4F5C;&#x7528;&#x662F;&#x751F;&#x6210;&#x5F88;&#x591A;&#x7684;requests&#xFF0C;</span>
<span class="hljs-comment"># &#x5B83;&#x7684;&#x53C2;&#x6570;&#x5C31;&#x662F;1&#xFF0C; &#x9700;&#x8981;&#x6267;&#x884C;&#x7684;&#x51FD;&#x6570;&#xFF0C; &#x6267;&#x884C;&#x7684;&#x6240;&#x6709;&#x53C2;&#x6570;&#x7684;&#x5217;&#x8868;</span>
requests = threadpool.makeRequests(sayhello, name_list)
print(len(requests))

<span class="hljs-comment"># &#x5C06;request&#x653E;&#x5165;&#x5230;pool&#x91CC;&#x9762;. putRequest &#x7684;&#x610F;&#x601D;&#x662F;&#x5C06;requests&#x653E;&#x5165;&#x5230;&#x7EBF;&#x7A0B;&#x6C60;&#x4E2D;&#x53BB;&#x6267;&#x884C;</span>
[pool.putRequest(req) <span class="hljs-keyword">for</span> req <span class="hljs-keyword">in</span> requests]
pool.wait()
print(<span class="hljs-string">&apos;%d second&apos;</span>% (time.time()-start_time))
</code></pre>

                    
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